Flow price: --
d7c009ee13171fe729380b9cbcd99c397ec8394d00940bdb5ac63050ed1e5786

Transaction

Hash: d7c009ee13171fe729380b9cbcd99c397ec8394d00940bdb5ac63050ed1e5786
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7c009ee13171fe729380b9cbcd99c397ec8394d00940bdb5ac63050ed1e5786:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d7c009ee13171fe729380b9cbcd99c397ec8394d00940bdb5ac63050ed1e5786
Status:
ERROR
Block height:
39839519
Block id:
656789ec4c07e9aacc2271fa3ee9b8ca983ba5781223828034179ad0dc692bd9
Timestamp:
Friday 28 October 2022 at 01:32:38 UTC
()
Proposer:
Authorizers:
Gas used:
48